diff --git a/metadata/com.calcitem.sanmill.yml b/metadata/com.calcitem.sanmill.yml
index 80112b80e4..e09f14b3cf 100644
--- a/metadata/com.calcitem.sanmill.yml
+++ b/metadata/com.calcitem.sanmill.yml
@@ -2500,6 +2500,40 @@ Builds:
       - $$flutter$$/bin/flutter build apk --flavor fdroid --release
     ndk: r25b
 
+  - versionName: 4.0.0
+    versionCode: 3826
+    commit: 2bca07d9bc1a08662d60996eae37a387766cbf33
+    subdir: src/ui/flutter_app
+    sudo:
+      - apt-get update
+      - apt-get install -y openjdk-17-jdk-headless
+      - update-java-alternatives -a
+    output: build/app/outputs/flutter-apk/app-fdroid-release.apk
+    srclibs:
+      - flutter@3.13.4
+    rm:
+      - src/perfect
+      - src/test
+      - src/ui/flutter_app/ios
+      - src/ui/flutter_app/linux
+      - src/ui/flutter_app/macos
+      - src/ui/flutter_app/windows
+      - src/ui/flutter_app/test
+      - src/ui/qt
+      - tests
+    prebuild:
+      - mv android/app/build.gradle_fdroid android/app/build.gradle
+      - export PUB_CACHE=$(pwd)/.pub-cache
+      - export PATH=$$flutter$$/bin:$PATH
+      - cd ../../..
+      - ./flutter-init.sh
+    scandelete:
+      - src/ui/flutter_app/.pub-cache
+    build:
+      - export PUB_CACHE=$(pwd)/.pub-cache
+      - $$flutter$$/bin/flutter build apk --flavor fdroid --release
+    ndk: r25b
+
 MaintainerNotes: |-
   Builds will fail when the srclib ref of flutter and the version with which
   upstream has been built with differ.
@@ -2508,5 +2542,5 @@ MaintainerNotes: |-
 AutoUpdateMode: Version
 UpdateCheckMode: Tags ^v.*$
 UpdateCheckData: src/ui/flutter_app/pubspec.yaml|version:\s.+\+(\d+)|.|version:\s(.+)\+
-CurrentVersion: 3.8.0
-CurrentVersionCode: 3779
+CurrentVersion: 4.0.0
+CurrentVersionCode: 3826